EXCELLENT USED CONDITION SMOKE FREE HOME. CORELLE It is part of the Blue Hearts pattern, which features blue heart designs. Here are some key details: Material: Made of Vitrelle glass, which is known for its durability and resistance to chipping and breaking. Design: Features a white background with blue heart patterns. Safety: Microwave and dishwasher safe. Origin: Typically made in the USA. Condition: Often found in used but excellent condition. Discontinued: This pattern is discontinued, making it a collectible item.